\chapter{函数及其图象}

\section{直角坐标系}
\input{units/czds4-ch14-subsec1}
\input{units/czds4-ch14-subsec2}
\input{units/czds4-ch14-xiti3}

\section{函数}
\input{../src/units/czds4-ch14-subsec3}
\input{units/czds4-ch14-subsec4}
\input{units/czds4-ch14-xiti4}

\section{正比例函数与反比例函数}
\input{units/czds4-ch14-subsec5}
\input{units/czds4-ch14-subsec6}
\input{units/czds4-ch14-xiti5}

\section{一次函数的图象和性质}
\input{units/czds4-ch14-subsec7}
\input{units/czds4-ch14-subsec8}
\input{units/czds4-ch14-xiti6}

\section{二次函数的图象和性质}
\input{units/czds4-ch14-subsec9}
\input{units/czds4-ch14-subsec10}
\input{units/czds4-ch14-subsec11}
\input{units/czds4-ch14-xiti7}

\section{一元一次不等式组和一元二次不等式}
\input{units/czds4-ch14-subsec12}
\input{units/czds4-ch14-subsec13}
\input{units/czds4-ch14-subsec14}
\input{units/czds4-ch14-xiti8}

\input{units/czds4-ch14-xiaojie}
\input{units/czds4-ch14-fuxi}

